442 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



Plate 138. 

 Uca brevifrons, male (32323), Xl§. 



Fig, 1. Outer face of chela. 



2. Inner face of chela. 



3. Dorsal view. 



Plate 139. 



Uca pugnax, male (3828), Xl^. 



Fig. 1. Anterior view. 



2. Inner face of chela. 



3. Dorsal view. 



Plate 140. 



Uca pugnax rapax, male (19477), Xli. 



Fig, 1. Anterior view. 



2. Inner face of chela. 



3. Dorsal view. 



Plate 141. 



Uca pugilator, male (5871), XI J. 



Fig. 1. Anterior view. 



2. Inner face of chela. 



3. Dorsal view. 



Plate 142. 

 Uca galapagensis, male (22319), XI?. 



Fig. 1. Anterior view. 



2. Inner face of chela. 



3. Dorsal view. 



Plate 143. 



Uca macrodactylus, male (32320), X2. 



Fig. 1. Anterior view. 



2. Inner face of chela. 



3. Dorsal view. 



Plate 144. 



Uca thayeri. 



Fig. 1. Female (23753), dorsal view, X2. 



2. Male (23753), outer face of chela, X2. 



Plate 145. 



Uca speciosa, male (15256), X2J. 



Fig. 1. Dorsal view. 



2. Outer face of chela. 



3. Inner face of chela. 



